return
{
[1] = {id=1,x=5,items={{x=1,y=true,z="abcd",a={x=10,y=100,},b={1,3,5,},},{x=2,y=false,z="abcd",a={x=22,y=33,},b={4,5,},},},},
[2] = {id=2,x=9,items={{x=2,y=true,z="abcd",a={x=10,y=11,},b={1,3,5,},},{x=4,y=false,z="abcd",a={x=22,y=33,},b={4,5,},},{x=5,y=false,z="abcd",a={x=22,y=33,},b={4,5,},},},},
}